🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.6 AU - 0.96 AU

Year: 247 Days

Day: 41.6 Hours

Environment

Temp: 155 °C

Axial Tilt: 92.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.94 AU - 1.3 AU

Year: 425 Days

Day: 22.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 14.2

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.07 AU - 10.77 AU

Year: 9542 Days

Day: 6 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,583,196 km

• M1: 176,675 km (0.117 R)
• M2: 816,056 km (0.08 R)
• M3: 1,303,297 km (0.079 R)
• M4: 1,924,876 km (0.086 R)
• M5: 2,720,138 km (0.094 R)
• M6: 3,301,625 km (0.097 R)
• M7: 3,778,393 km (0.034 R)
• M8: 4,476,417 km (0.03 R)
• M9: 5,494,281 km (0.072 R)
• M10: 6,622,548 km (0.112 R)
• M11: 7,345,555 km (0.069 R)
• M12: 8,076,340 km (0.041 R)
• M13: 8,574,651 km (0.115 R)
• M14: 12,010,016 km (0.027 R)
• M15: 14,358,104 km (0.12 R)
• M16: 15,849,745 km (0.107 R)
• M17: 16,345,363 km (0.052 R)
• M18: 20,110,442 km (0.104 R)
• M19: 25,368,209 km (0.09 R)
• M20: 26,539,709 km (0.087 R)
• M21: 31,035,275 km (0.109 R)
• M22: 32,261,978 km (0.08 R)
• M23: 37,244,783 km (0.092 R)
• M24: 40,442,288 km (0.1 R)
• M25: 49,906,747 km (0.113 R)
• M26: 51,589,723 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.1

Radius: 13.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.94 AU - 10.1 AU

Year: 9702 Days

Day: 8.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,583,196 km

• M1: 164,857 km (0.052 R)
• M2: 627,413 km (0.116 R)
• M3: 1,573,171 km (0.063 R)
• M4: 2,108,582 km (0.113 R)
• M5: 2,781,024 km (0.09 R)
• M6: 6,206,516 km (0.097 R)
• M7: 10,891,024 km (0.118 R)
• M8: 14,139,692 km (0.072 R)
• M9: 21,749,137 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.7

Radius: 3.7

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 13.83 AU - 21.09 AU

Year: 26130 Days

Day: 15.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,583,196 km

• M1: 46,226 km (0.112 R)
• M2: 467,344 km (0.053 R)
• M3: 1,605,784 km (0.088 R)
• M4: 4,980,562 km (0.088 R)
• M5: 5,222,013 km (0.112 R)
• M6: 7,399,260 km (0.095 R)
• M7: 9,265,643 km (0.104 R)
• M8: 9,683,769 km (0.069 R)
• M9: 9,897,545 km (0.067 R)
• M10: 10,390,021 km (0.07 R)
• M11: 13,827,481 km (0.118 R)
• M12: 20,119,118 km (0.069 R)
• M13: 21,626,317 km (0.111 R)
• M14: 22,640,591 km (0.085 R)
• M15: 23,589,789 km (0.117 R)
• M16: 30,643,478 km (0.112 R)
• M17: 36,609,292 km (0.088 R)
• M18: 39,794,679 km (0.107 R)
• M19: 45,505,727 km (0.078 R)
• M20: 56,770,896 km (0.109 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 15,923 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit